At present, the ATH12K_DEFAULT_NOISE_FLOOR (-95) is used to calculate RSSI
value, providing an estimated noise floor value. Consequently, the RSSI
value is also approximate. This works but however, using actual noise floor
value will enable the reporting of the true RSSI value.

The firmware possesses the necessary data to determine the actual noise
floor. This data is provided to the host via the WMI event
WMI_PDEV_RSSI_DBM_CONVERSION_PARAMS_INFO_EVENTID, which includes the
runtime parameters needed for calculating the real noise floor in dBm. This
event is triggered by the firmware during channel changes, temperature
offset adjustments, and hardware chainmask modifications.

Add support to handle and parse this WMI event. Use the received values to
calculate and store the noise floor value and use at the required places.

---
Raj Kumar Bhagat (2):
      wifi: ath12k: handle WMI event for real noise floor calculation
      wifi: ath12k: use real noise floor instead of default value

 drivers/net/wireless/ath/ath12k/core.h   |  17 +++
 drivers/net/wireless/ath/ath12k/dp_mon.c |   7 +-
 drivers/net/wireless/ath/ath12k/dp_tx.c  |  20 ++-
 drivers/net/wireless/ath/ath12k/mac.c    |  14 +-
 drivers/net/wireless/ath/ath12k/wmi.c    | 233 ++++++++++++++++++++++++++++++-
 drivers/net/wireless/ath/ath12k/wmi.h    |  42 ++++++
 6 files changed, 324 insertions(+), 9 deletions(-)
---
base-commit: 3d933084a072fd5fb5da54c06a017abc0412c86f
change-id: 20250513-support_real_noise_floor-205986936cd3

On 5/28/2025 4:23 AM, Aditya Kumar Singh wrote:
> At present, the ATH12K_DEFAULT_NOISE_FLOOR (-95) is used to calculate RSSI
> value, providing an estimated noise floor value. Consequently, the RSSI
> value is also approximate. This works but however, using actual noise floor
> value will enable the reporting of the true RSSI value.
> 
> The firmware possesses the necessary data to determine the actual noise
> floor. This data is provided to the host via the WMI event
> WMI_PDEV_RSSI_DBM_CONVERSION_PARAMS_INFO_EVENTID, which includes the
> runtime parameters needed for calculating the real noise floor in dBm. This
> event is triggered by the firmware during channel changes, temperature
> offset adjustments, and hardware chainmask modifications.
> 
> Add support to handle and parse this WMI event. Use the received values to
> calculate and store the noise floor value and use at the required places.
> 
> ---
> Raj Kumar Bhagat (2):
>       wifi: ath12k: handle WMI event for real noise floor calculation
>       wifi: ath12k: use real noise floor instead of default value
> 
>  drivers/net/wireless/ath/ath12k/core.h   |  17 +++
>  drivers/net/wireless/ath/ath12k/dp_mon.c |   7 +-
>  drivers/net/wireless/ath/ath12k/dp_tx.c  |  20 ++-
>  drivers/net/wireless/ath/ath12k/mac.c    |  14 +-
>  drivers/net/wireless/ath/ath12k/wmi.c    | 233 ++++++++++++++++++++++++++++++-
>  drivers/net/wireless/ath/ath12k/wmi.h    |  42 ++++++
>  6 files changed, 324 insertions(+), 9 deletions(-)
> ---
> base-commit: 3d933084a072fd5fb5da54c06a017abc0412c86f
> change-id: 20250513-support_real_noise_floor-205986936cd3

This series no longer applies cleanly on ath/main, please rebase

Applying: wifi: ath12k: handle WMI event for real noise floor calculation
Using index info to reconstruct a base tree...
M       drivers/net/wireless/ath/ath12k/core.h
M       drivers/net/wireless/ath/ath12k/mac.c
M       drivers/net/wireless/ath/ath12k/wmi.c
M       drivers/net/wireless/ath/ath12k/wmi.h
Falling back to patching base and 3-way merge...
Auto-merging drivers/net/wireless/ath/ath12k/wmi.h
CONFLICT (content): Merge conflict in drivers/net/wireless/ath/ath12k/wmi.h
Auto-merging drivers/net/wireless/ath/ath12k/wmi.c
Auto-merging drivers/net/wireless/ath/ath12k/mac.c
Auto-merging drivers/net/wireless/ath/ath12k/core.h
Recorded preimage for 'drivers/net/wireless/ath/ath12k/wmi.h'
error: Failed to merge in the changes.
Patch failed at 0001 wifi: ath12k: handle WMI event for real noise floor calculation

/jeff

On 6/23/2025 8:30 PM, Jeff Johnson wrote:
> On 5/28/2025 4:23 AM, Aditya Kumar Singh wrote:
>> At present, the ATH12K_DEFAULT_NOISE_FLOOR (-95) is used to calculate RSSI
>> value, providing an estimated noise floor value. Consequently, the RSSI
>> value is also approximate. This works but however, using actual noise floor
>> value will enable the reporting of the true RSSI value.
>>
>> The firmware possesses the necessary data to determine the actual noise
>> floor. This data is provided to the host via the WMI event
>> WMI_PDEV_RSSI_DBM_CONVERSION_PARAMS_INFO_EVENTID, which includes the
>> runtime parameters needed for calculating the real noise floor in dBm. This
>> event is triggered by the firmware during channel changes, temperature
>> offset adjustments, and hardware chainmask modifications.
>>
>> Add support to handle and parse this WMI event. Use the received values to
>> calculate and store the noise floor value and use at the required places.
>>
>> ---
>> Raj Kumar Bhagat (2):
>>        wifi: ath12k: handle WMI event for real noise floor calculation
>>        wifi: ath12k: use real noise floor instead of default value
>>
>>   drivers/net/wireless/ath/ath12k/core.h   |  17 +++
>>   drivers/net/wireless/ath/ath12k/dp_mon.c |   7 +-
>>   drivers/net/wireless/ath/ath12k/dp_tx.c  |  20 ++-
>>   drivers/net/wireless/ath/ath12k/mac.c    |  14 +-
>>   drivers/net/wireless/ath/ath12k/wmi.c    | 233 ++++++++++++++++++++++++++++++-
>>   drivers/net/wireless/ath/ath12k/wmi.h    |  42 ++++++
>>   6 files changed, 324 insertions(+), 9 deletions(-)
>> ---
>> base-commit: 3d933084a072fd5fb5da54c06a017abc0412c86f
>> change-id: 20250513-support_real_noise_floor-205986936cd3
> 
> This series no longer applies cleanly on ath/main, please rebase
> 
> Applying: wifi: ath12k: handle WMI event for real noise floor calculation
> Using index info to reconstruct a base tree...
> M       drivers/net/wireless/ath/ath12k/core.h
> M       drivers/net/wireless/ath/ath12k/mac.c
> M       drivers/net/wireless/ath/ath12k/wmi.c
> M       drivers/net/wireless/ath/ath12k/wmi.h
> Falling back to patching base and 3-way merge...
> Auto-merging drivers/net/wireless/ath/ath12k/wmi.h
> CONFLICT (content): Merge conflict in drivers/net/wireless/ath/ath12k/wmi.h
> Auto-merging drivers/net/wireless/ath/ath12k/wmi.c
> Auto-merging drivers/net/wireless/ath/ath12k/mac.c
> Auto-merging drivers/net/wireless/ath/ath12k/core.h
> Recorded preimage for 'drivers/net/wireless/ath/ath12k/wmi.h'
> error: Failed to merge in the changes.
> Patch failed at 0001 wifi: ath12k: handle WMI event for real noise floor calculation

Done. Rolled out the rebased next version.

-- 
Aditya